function getCookie(NameOfCookie){
	if (document.cookie.length > 0) {
	    begin = document.cookie.indexOf(NameOfCookie+"=");
		if (begin != -1) {
		    begin += NameOfCookie.length+1;
			end = document.cookie.indexOf(";", begin);
			if (end == -1) {
                end = document.cookie.length;
            }
			return unescape(document.cookie.substring(begin, end));
        }
	}
    return null;
}

function setCookie(NameOfCookie, value, expiredays) {
    var ExpireDate = new Date ();
	ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000));
	document.cookie = NameOfCookie + "=" + escape(value) + ((expiredays == null) ? "" : "; expires=" + ExpireDate.toGMTString());
}

function randomNumber(low, high) {
    with (Math) {
        return low + floor(random() * high);
    }
}

function cookiesAreDisabled() {
    randomKey = randomNumber(1,100)
    setCookie('CookieAvail',randomKey);
    if (randomKey != getCookie('CookieAvail')) {
        return true;
    } else {
        return false;
    }
}
